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5-day forecast / Richardson, TX

MondaySunny100° / 80°
TuesdaySunny100° / 80° 1%
WednesdaySunny101° / 80°
ThursdaySunny101° / 79°
FridaySunny101° / 80°

Richardson Heat Index Hits 104 Today as Humidity Clings to the Area - Aug 10, 9 AM

Richardson weather, updated every four hours — local forecasts you can trust.

Temperatures in Richardson are soaring toward 100 degrees today with a heat index reaching 104. High humidity keeps conditions oppressive, though no severe weather alerts are currently active.

Reese Janssen

August 10, 20262 min read

National Weather Service radar for North Texas (KFWS)
National Weather Service radar for North Texas (KFWS)

*As of Aug 10, 9 AM local time.*

Sweltering Conditions Set In

Richardson is bracing for another intense day of heat and humidity this morning. The current air temperature stands at 81 degrees, but the heavy moisture in the air makes it feel significantly warmer, with a feels-like reading of 87 degrees. The dew point is sitting at a sticky 77 degrees, contributing to a relative humidity of 89%.

While the sky remains clear and winds are currently light at 5 mph with gusts up to 17 mph, the oppressive nature of the air is already palpable.

Forecast for Today and Tomorrow

The National Weather Service indicates that today will be sunny with a high near 100 degrees. As the sun climbs higher, heat index values are expected to reach as high as 104 degrees. South winds will pick up slightly, blowing between 5 to 10 mph.

Tonight, skies will remain clear with a low around 80 degrees. However, temperatures may rise to approximately 82 degrees during the overnight hours. The heat index could still hit 101 degrees as south winds increase to around 10 mph, with gusts reaching up to 25 mph.

Tomorrow brings similar conditions, with sunny skies and a high near 99 degrees. Heat index values are projected to climb to 103 degrees. South winds will continue at 10 to 15 mph, with gusts as high as 25 mph. Tomorrow night will be clear with a low around 81 degrees and heat index values up to 101 degrees.

Safety Reminders

With temperatures nearing triple digits and humidity levels remaining high, it is crucial to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on elderly neighbors or those without air conditioning, as the overnight lows may not provide sufficient relief from the daytime heat.

There are no active National Weather Service alerts for this area, but the extreme heat index values warrant caution.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

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Reese Janssen

Reese Janssen covers weather, storms, and seasonal life around Richardson.

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